A box of influenza vaccine shots is seen in the MinuteClinic at the CVS/pharmacy on January 6, 2014 in Fort Lauderdale, Florida. The 2013-2014 influenza
A box of influenza vaccine shots is seen in the MinuteClinic at the CVS/pharmacy on January 6, 2014 in Fort Lauderdale, Florida. The 2013-2014 influenza season is starting to take off in the United States, with more than half the country reporting widespread cases of flu activity, according to the US Centers for Disease Control and Prevention. (Photo by Joe Raedle/Getty Images)